Increasing the number of slow Ca²⁺ channels open in the sinoatrial node increases heart rate.

Name: Increasing the number of slow Ca 2+ channels open in the sinoatrial node increases heart rate.
Brand: Quizplus
Rating: 5.0 (40 reviews)

Question

Quizplus · Accepted Answer

Slow Ca²⁺ channels play a crucial role in regulating heart rate by increasing the influx of calcium ions, leading to depolarization and increased pacemaker activity in the sinoatrial node. Therefore, increasing the number of these channels open would result in a higher heart rate.

Increasing the Number of Slow Ca2+ Channels Open in the Sinoatrial

Increasing the Number of Slow Ca²⁺ Channels Open in the Sinoatrial